JPS5424813A - Separation of methacrylic acid - Google Patents
Separation of methacrylic acidInfo
- Publication number
- JPS5424813A JPS5424813A JP8799077A JP8799077A JPS5424813A JP S5424813 A JPS5424813 A JP S5424813A JP 8799077 A JP8799077 A JP 8799077A JP 8799077 A JP8799077 A JP 8799077A JP S5424813 A JPS5424813 A JP S5424813A
- Authority
- JP
- Japan
- Prior art keywords
- methacrylic acid
- separation
- methyl methacrylate
- mixture
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To separate the title compound from a mixture of water, methanol, methacrylic acid, and methyl methacrylate, in high selectivity and efficiency, by distilling the mixture in the presence of sufficient amount of methyl methacrylate to attain the azeotropic distillation of water and the methyl methacrylate.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8799077A JPS5424813A (en) | 1977-07-22 | 1977-07-22 | Separation of methacrylic acid |
NL7807420A NL7807420A (en) | 1977-07-22 | 1978-07-10 | PROCESS FOR THE SEPARATION OF METHACRYLIC ACID FROM A MIXTURE CONTAINING WATER, METHANOL, METHACRYLIC ACID AND METHYL METHACRYLATE. |
CS464278A CS214895B2 (en) | 1977-07-22 | 1978-07-11 | Method of separation of the methacryl acid |
GB7830309A GB2001315B (en) | 1977-07-22 | 1978-07-19 | Process for separating methacrylic acid from an esterification mixture |
FR7821746A FR2398037A1 (en) | 1977-07-22 | 1978-07-21 | METHOD FOR SEPARATING METHACRYLIC ACID FROM AN ESTERIFICATION MIXTURE |
DE19782832202 DE2832202A1 (en) | 1977-07-22 | 1978-07-21 | PROCESS FOR SEPARATION OF METHACRYLIC ACID FROM AN ESTERIFICATION MIXTURE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8799077A JPS5424813A (en) | 1977-07-22 | 1977-07-22 | Separation of methacrylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5424813A true JPS5424813A (en) | 1979-02-24 |
JPS6115057B2 JPS6115057B2 (en) | 1986-04-22 |
Family
ID=13930243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8799077A Granted JPS5424813A (en) | 1977-07-22 | 1977-07-22 | Separation of methacrylic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5424813A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58162105A (en) * | 1982-03-23 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Crystal oscillating circuit |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3639460A (en) * | 1967-07-11 | 1972-02-01 | Roehm Gmbh | Esterification of methacrylic acid |
JPS49124018A (en) * | 1973-04-03 | 1974-11-27 | ||
JPS51146418A (en) * | 1975-06-10 | 1976-12-16 | Nippon Zeon Co Ltd | Purification of methacrylic esters |
-
1977
- 1977-07-22 JP JP8799077A patent/JPS5424813A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3639460A (en) * | 1967-07-11 | 1972-02-01 | Roehm Gmbh | Esterification of methacrylic acid |
JPS49124018A (en) * | 1973-04-03 | 1974-11-27 | ||
JPS51146418A (en) * | 1975-06-10 | 1976-12-16 | Nippon Zeon Co Ltd | Purification of methacrylic esters |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58162105A (en) * | 1982-03-23 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Crystal oscillating circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS6115057B2 (en) | 1986-04-22 |
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